Home / 130,004,025.60-195,006,038.40-53,382,043.20

Finding the Fourth Proportional to 130,004,025.60, 195,006,038.40 and 53,382,043.20

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Solution

The fourth proportional to 130,004,025.60, 195,006,038.40 and 53,382,043.20 is: 80,073,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,004,025.60 : 195,006,038.40 = 53,382,043.20 : x
  2. Step 2: Convert to fraction form
    130,004,025.60/195,006,038.40 = 53,382,043.20/x
  3. Step 3: Cross multiply
    130,004,025.60x = 195,006,038.40 × 53,382,043.20
  4. Step 4: Simplify right side
    130,004,025.60x = 10,409,820,766,129,660
  5. Step 5: Solve for x
    x = 10,409,820,766,129,660/130,004,025.60
  6. Step 6: Final answer
    x = 80,073,064.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.